新编文档-FractalAntennaOptimization-NunoAlves分形天线优化Nuno阿尔维斯-精品文档

1、Fractal Element AntennaGenetic Optimization Using aPC ClusterACES ProceedingsMarch 21, 2019Monterey, CAJFractal DevelopmentY Boston University:Nuno AlvesWilliam Crespo-Felipe FernandesFabio SantanaFRACTAL ANTENNASYSTEMS, INCY Fractal Antenna Systems, INC-Dr. Nathan Cohen and Dr. Robert HohlfeldI Our

2、 GoalDecrease time of antenna design Using: Fractal Antennas GA-Several inexpensive computersY Genetic Algorithm (G.A.)YNumerical Electromagnetic Computation (N.E.C.) EMAG calculation Bottleneck of systemAntenna Design AlgorithmsAntenna OptimizationY Problem:-Computationally IntensiveTime ConsumingY

3、 Genetic AlgorithmsIntrinsic ParallelismCurrent Solutions.YUse of:-High End PCOR-SupercomputerYCost of each:$2000UpOR$250,000UpApproaching the ProblemY PC cluster implementation:一 Hardware: 1 central node <100 slave nodesSoftware: Linux (open source and free distribution) GA, NEC and FOM Error ch

4、ecking softwareProject Diagram:Preliminary DiagramServer/Host Node 0Dual Processor(2) - Pill 1Ghz256MB RAM & 30GB HD IP： 10.0.0.10ARK SOHO10/100 MB/secEthernet Switch1 6 PortsNode 11.2Ghz128MB RAM20GB HDNode 21.2Ghz128MB RAM20GB HDNode 31.2Ghz 128MB RAM20GB HDNode 41.2Ghz128MB RAM20GB HDNode 51.

5、2Ghz128MB RAM20GB HD10.0.0.2010.0.0.3010.0.0.4010.0.0.5010.0.0.60Internet10/100 Ethernet Switch 16PortModel10.0.0.20Node2Node3Node4Node510.0.0.3010.0.0.4010.0.0.5010.0.0.60System OverviewNode 3NECResults3000.009000.008000.007000.002000.00 1000.00 0.00123456ResultsSpeed Up Factor6 5 4 3 2 1 0-oloeu-23456# of NodesConclusionYThe us